🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.56 AU - 0.56 AU

Year: 275 Days

Day: 41.3 Hours

Environment

Temp: -125 °C

Axial Tilt: 98.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,672,973 km

• M1: 509,381 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.49 AU - 0.73 AU

Year: 313 Days

Day: 33.5 Hours

Environment

Temp: -126 °C

Axial Tilt: 45.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.3

Radius: 12.2

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.67 AU - 0.97 AU

Year: 487 Days

Day: 11.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 34,672,973 km

• M1: 152,590 km (0.095 R)
• M2: 245,490 km (0.071 R)
• M3: 328,667 km (0.057 R)
• M4: 516,113 km (0.091 R)
• M5: 595,400 km (0.092 R)
• M6: 704,456 km (0.116 R)
• M7: 828,623 km (0.083 R)
• M8: 929,003 km (0.108 R)
• M9: 1,025,793 km (0.085 R)
• M10: 1,199,625 km (0.105 R)
• M11: 1,328,728 km (0.065 R)
• M12: 1,439,431 km (0.118 R)
• M13: 1,553,275 km (0.076 R)
• M14: 1,640,640 km (0.057 R)
• M15: 1,846,487 km (0.095 R)
• M16: 1,929,065 km (0.112 R)
• M17: 2,071,482 km (0.112 R)
• M18: 2,184,877 km (0.091 R)
• M19: 2,508,756 km (0.07 R)
• M20: 2,711,761 km (0.073 R)
• M21: 2,824,258 km (0.097 R)
• M22: 2,926,284 km (0.106 R)
• M23: 3,017,389 km (0.104 R)
• M24: 3,115,675 km (0.116 R)
• M25: 3,283,972 km (0.118 R)
• M26: 3,455,262 km (0.026 R)
• M27: 3,532,455 km (0.03 R)
• M28: 3,610,096 km (0.052 R)
• M29: 3,734,412 km (0.082 R)
• M30: 3,860,074 km (0.057 R)
• M31: 3,960,304 km (0.087 R)
• M32: 4,068,314 km (0.082 R)
• M33: 4,245,737 km (0.093 R)
• M34: 4,446,797 km (0.097 R)
• M35: 4,523,840 km (0.12 R)
• M36: 4,608,512 km (0.119 R)
• M37: 4,808,076 km (0.076 R)
• M38: 4,887,213 km (0.089 R)
• M39: 4,981,310 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43

Radius: 12.4

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.06 AU - 1.46 AU

Year: 928 Days

Day: 13.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 34,672,973 km

• M1: 164,857 km (0.099 R)
• M2: 243,845 km (0.06 R)
• M3: 321,935 km (0.056 R)
• M4: 403,316 km (0.098 R)
• M5: 482,154 km (0.116 R)
• M6: 609,013 km (0.106 R)
• M7: 721,810 km (0.068 R)
• M8: 813,962 km (0.055 R)
• M9: 1,067,530 km (0.074 R)
• M10: 1,174,942 km (0.059 R)
• M11: 1,282,503 km (0.106 R)
• M12: 1,362,537 km (0.103 R)
• M13: 1,572,573 km (0.078 R)
• M14: 1,679,685 km (0.09 R)
• M15: 1,780,813 km (0.089 R)
• M16: 1,875,359 km (0.065 R)
• M17: 1,967,212 km (0.08 R)
• M18: 2,128,479 km (0.067 R)
• M19: 2,502,772 km (0.118 R)
• M20: 2,638,757 km (0.036 R)
• M21: 2,767,411 km (0.061 R)
• M22: 2,893,073 km (0.031 R)
• M23: 2,994,949 km (0.116 R)
• M24: 3,072,291 km (0.099 R)
• M25: 3,228,771 km (0.077 R)
• M26: 3,334,686 km (0.099 R)
• M27: 3,474,111 km (0.034 R)
• M28: 3,615,631 km (0.054 R)
• M29: 3,725,735 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169

Radius: 8.8

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.03 AU - 1.65 AU

Year: 1018 Days

Day: 6.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 34,672,973 km

• M1: 120,127 km (0.062 R)
• M2: 177,124 km (0.038 R)
• M3: 260,749 km (0.11 R)
• M4: 360,680 km (0.111 R)
• M5: 439,668 km (0.094 R)
• M6: 498,759 km (0.093 R)
• M7: 565,031 km (0.076 R)
• M8: 638,783 km (0.114 R)
• M9: 733,927 km (0.095 R)
• M10: 905,217 km (0.085 R)
• M11: 1,003,353 km (0.057 R)
• M12: 1,069,176 km (0.074 R)
• M13: 1,136,495 km (0.094 R)
• M14: 1,264,850 km (0.104 R)
• M15: 1,449,304 km (0.085 R)
• M16: 1,589,029 km (0.1 R)
• M17: 1,714,990 km (0.079 R)
• M18: 1,801,009 km (0.06 R)
• M19: 1,919,939 km (0.068 R)
• M20: 1,977,085 km (0.12 R)
• M21: 2,034,980 km (0.101 R)
• M22: 2,099,905 km (0.106 R)
• M23: 2,238,732 km (0.115 R)
• M24: 2,305,902 km (0.111 R)
• M25: 2,602,554 km (0.049 R)
• M26: 2,659,102 km (0.103 R)
• M27: 2,730,311 km (0.056 R)
• M28: 2,816,778 km (0.035 R)
• M29: 2,918,804 km (0.119 R)
• M30: 3,029,357 km (0.045 R)
• M31: 3,285,319 km (0.088 R)
• M32: 3,501,488 km (0.111 R)
• M33: 3,571,948 km (0.099 R)
• M34: 3,635,079 km (0.083 R)
• M35: 3,690,579 km (0.07 R)
• M36: 3,746,230 km (0.112 R)
• M37: 3,850,649 km (0.069 R)
• M38: 3,915,275 km (0.036 R)
• M39: 4,012,963 km (0.109 R)
• M40: 4,186,048 km (0.032 R)
• M41: 4,252,619 km (0.107 R)
• M42: 4,319,489 km (0.105 R)
• M43: 4,445,899 km (0.075 R)
• M44: 4,505,289 km (0.071 R)
• M45: 4,719,813 km (0.046 R)
• M46: 4,806,430 km (0.034 R)
• M47: 4,919,975 km (0.109 R)
• M48: 5,043,243 km (0.066 R)
• M49: 5,105,327 km (0.102 R)
• M50: 5,176,535 km (0.099 R)
• M51: 5,265,995 km (0.102 R)
• M52: 5,392,106 km (0.117 R)
• M53: 5,564,891 km (0.106 R)
• M54: 5,794,973 km (0.093 R)
• M55: 5,878,748 km (0.107 R)
• M56: 5,943,972 km (0.072 R)
• M57: 6,009,646 km (0.058 R)
• M58: 6,485,068 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.2

Radius: 14.6

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 4.36 AU - 5.26 AU

Year: 6920 Days

Day: 10.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 34,672,973 km

• M1: 182,809 km (0.059 R)
• M2: 297,251 km (0.084 R)
• M3: 449,392 km (0.079 R)
• M4: 571,913 km (0.118 R)
• M5: 1,360,144 km (0.096 R)
• M6: 1,573,022 km (0.12 R)
• M7: 1,988,904 km (0.069 R)
• M8: 2,369,929 km (0.063 R)
• M9: 2,872,878 km (0.058 R)
• M10: 3,098,770 km (0.086 R)
• M11: 3,595,286 km (0.026 R)
• M12: 4,060,984 km (0.105 R)
• M13: 4,258,453 km (0.115 R)
• M14: 5,355,005 km (0.111 R)
• M15: 5,603,338 km (0.118 R)
• M16: 6,208,312 km (0.112 R)
• M17: 6,338,462 km (0.116 R)
• M18: 6,968,718 km (0.074 R)
• M19: 7,723,738 km (0.073 R)
• M20: 8,795,158 km (0.061 R)
• M21: 9,162,720 km (0.066 R)
• M22: 9,311,121 km (0.11 R)
• M23: 10,180,285 km (0.08 R)
• M24: 10,450,010 km (0.109 R)
• M25: 10,761,024 km (0.118 R)
• M26: 10,917,802 km (0.114 R)
• M27: 11,313,040 km (0.028 R)
• M28: 11,793,399 km (0.077 R)
• M29: 12,280,639 km (0.092 R)
• M30: 12,485,588 km (0.091 R)
• M31: 13,232,829 km (0.071 R)
• M32: 13,654,246 km (0.044 R)
• M33: 13,824,040 km (0.089 R)
• M34: 13,994,582 km (0.112 R)
• M35: 14,251,740 km (0.026 R)
• M36: 14,640,396 km (0.109 R)
• M37: 14,770,695 km (0.102 R)
• M38: 16,005,626 km (0.117 R)
• M39: 16,364,661 km (0.066 R)
• M40: 16,680,911 km (0.11 R)
• M41: 16,953,627 km (0.07 R)
• M42: 17,919,731 km (0.059 R)
• M43: 18,620,746 km (0.048 R)
• M44: 18,856,512 km (0.051 R)
• M45: 19,045,754 km (0.062 R)
• M46: 19,426,181 km (0.118 R)
• M47: 20,826,417 km (0.082 R)
• M48: 21,267,581 km (0.043 R)
• M49: 23,265,461 km (0.115 R)
• M50: 23,366,888 km (0.093 R)
• M51: 23,978,743 km (0.07 R)
• M52: 24,699,356 km (0.073 R)
• M53: 25,114,341 km (0.09 R)
• M54: 26,003,850 km (0.098 R)
• M55: 26,214,633 km (0.087 R)
• M56: 26,373,057 km (0.099 R)
• M57: 26,531,781 km (0.034 R)
• M58: 27,010,195 km (0.057 R)
• M59: 27,813,685 km (0.095 R)
• M60: 28,462,042 km (0.097 R)
• M61: 28,570,650 km (0.076 R)
• M62: 28,788,165 km (0.039 R)
• M63: 29,060,882 km (0.11 R)
• M64: 29,663,911 km (0.075 R)
• M65: 29,829,067 km (0.082 R)
• M66: 31,722,228 km (0.088 R)
• M67: 31,891,124 km (0.105 R)
• M68: 32,683,395 km (0.119 R)
• M69: 32,967,930 km (0.117 R)
• M70: 33,539,394 km (0.11 R)
• M71: 34,982,564 km (0.083 R)
• M72: 35,448,562 km (0.119 R)
• M73: 35,682,383 km (0.086 R)
• M74: 35,916,803 km (0.12 R)
• M75: 36,328,048 km (0.1 R)
• M76: 37,155,474 km (0.074 R)
• M77: 37,333,495 km (0.089 R)
• M78: 37,690,585 km (0.083 R)
• M79: 39,553,228 km (0.054 R)
• M80: 39,674,402 km (0.076 R)
• M81: 40,038,823 km (0.083 R)
• M82: 40,709,769 km (0.071 R)
• M83: 40,954,511 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.4

Radius: 13.2

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.13 AU - 6.59 AU

Year: 9306 Days

Day: 8.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 34,672,973 km

• M1: 172,935 km (0.098 R)
• M2: 352,453 km (0.088 R)
• M3: 493,523 km (0.103 R)
• M4: 776,114 km (0.102 R)
• M5: 1,004,251 km (0.114 R)
• M6: 1,127,070 km (0.086 R)
• M7: 1,255,425 km (0.092 R)
• M8: 1,562,999 km (0.101 R)
• M9: 1,726,060 km (0.108 R)
• M10: 2,030,193 km (0.108 R)
• M11: 2,582,957 km (0.077 R)
• M12: 2,755,742 km (0.057 R)
• M13: 3,135,721 km (0.086 R)
• M14: 3,320,474 km (0.06 R)
• M15: 3,896,426 km (0.101 R)
• M16: 4,020,443 km (0.092 R)
• M17: 4,145,656 km (0.086 R)
• M18: 4,374,691 km (0.094 R)
• M19: 4,660,123 km (0.071 R)
• M20: 4,792,069 km (0.074 R)
• M21: 4,898,433 km (0.118 R)
• M22: 5,387,019 km (0.109 R)
• M23: 5,470,046 km (0.086 R)
• M24: 6,706,024 km (0.079 R)
• M25: 7,157,061 km (0.063 R)
• M26: 7,618,122 km (0.072 R)
• M27: 7,711,471 km (0.034 R)
• M28: 7,867,950 km (0.116 R)
• M29: 8,215,915 km (0.032 R)
• M30: 8,536,653 km (0.111 R)
• M31: 8,861,579 km (0.038 R)
• M32: 9,523,550 km (0.081 R)
• M33: 9,792,976 km (0.051 R)
• M34: 9,928,511 km (0.105 R)
• M35: 10,650,770 km (0.111 R)
• M36: 11,283,419 km (0.051 R)
• M37: 11,390,083 km (0.119 R)
• M38: 11,532,799 km (0.11 R)
• M39: 11,640,210 km (0.12 R)
• M40: 12,073,296 km (0.12 R)
• M41: 12,255,207 km (0.038 R)
• M42: 12,732,724 km (0.118 R)
• M43: 12,917,926 km (0.082 R)
• M44: 13,479,217 km (0.114 R)
• M45: 14,509,497 km (0.1 R)
• M46: 14,819,763 km (0.063 R)
• M47: 14,936,599 km (0.071 R)
• M48: 15,486,072 km (0.099 R)
• M49: 15,644,347 km (0.087 R)
• M50: 16,645,456 km (0.071 R)
• M51: 16,888,852 km (0.101 R)
• M52: 18,709,458 km (0.032 R)
• M53: 18,835,718 km (0.117 R)
• M54: 18,962,428 km (0.111 R)
• M55: 19,047,100 km (0.12 R)
• M56: 20,504,782 km (0.095 R)
• M57: 20,765,680 km (0.086 R)
• M58: 20,852,896 km (0.108 R)
• M59: 21,864,926 km (0.085 R)
• M60: 22,443,869 km (0.056 R)
• M61: 22,847,784 km (0.106 R)
• M62: 23,254,091 km (0.118 R)
• M63: 24,995,710 km (0.106 R)
• M64: 25,414,285 km (0.053 R)
• M65: 25,554,308 km (0.095 R)
• M66: 26,117,245 km (0.117 R)
• M67: 26,494,680 km (0.058 R)
• M68: 28,070,993 km (0.069 R)
• M69: 28,992,217 km (0.099 R)
• M70: 30,367,919 km (0.081 R)
• M71: 30,516,619 km (0.114 R)
• M72: 30,615,803 km (0.118 R)
• M73: 30,715,285 km (0.119 R)
• M74: 31,564,104 km (0.094 R)
• M75: 32,877,274 km (0.118 R)
• M76: 32,979,000 km (0.078 R)
• M77: 33,284,778 km (0.071 R)
• M78: 33,489,279 km (0.087 R)
• M79: 33,796,702 km (0.116 R)
• M80: 34,105,173 km (0.074 R)
• M81: 34,259,708 km (0.085 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 12,844 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit